
Description:
The FNIRSI SFD-02 is a smart indoor air quality tester, designed to monitor formaldehyde (HCHO) and TVOC levels in real time. Ideal for homes and offices, it provides accurate, easy-to-read data and intelligent features to help keep your environment safe and healthy.
Specifications:
| Screen Material | 2.4-inch tempered glass touch HD color |
| Backlight | Backlight brightness adjustable |
| Power Supply | TYPE-C (5V/2A) |
| Battery | 1000mAh |
| Languages | Chinese, English |
Technical Parameters
| Formaldehyde Rate | 0-2000PPM |
| Formaldehyde Detection Hardware | Electrochemistry |
| Formaldehyde Preheat Time | 5s |
| TVOC Rate | 0-10mg/m³ |
| TVOC Detection Hardware | Semiconductors |
|
TVOC Preheat Time
|
120s |
Formaldehyde Level Classification
| Excellent Range | 0mg/m³-0.08mg/m³ |
| Good Range | 0.08mg/m³-0.1mg/m³ |
| Mild Range | 0.1mg/m³-0.2mg/m³ |
| Moderate Range | 0.2mg/m³-0.3mg/m³ |
| Severe Range | 0.3mg/m³ or above |



Features:
- Real-Time Monitoring
Instantly displays formaldehyde, TVOC, humidity, and time — know your air quality at a glance. - Air Quality Assessment
Evaluates formaldehyde levels and alerts you to potential health risks. - Historical Data Recording
Tracks changes in HCHO and TVOC over time for better long-term air quality management. - Spatial Averaging
Calculates average values of HCHO and TVOC across the space for a more accurate assessment. - Smart Removal Calculator
Estimate time, cost, and materials needed to remove formaldehyde based on your room size and method. - Customizable Alarms
Set your own alert thresholds — the device will warn you when levels are too high. - Calendar & Time Display
Conveniently shows date, time, and humidity on screen.



Package Included:
- 1 x FNIRSI SFD-02 4-in-1 Indoor Air Quality Monitor
- 1 x Packing Box
- 1 x User Manual
- 1 x Data Cable

